19607625

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 36625680

約数和(自身を除く): 17018055

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 601, 725, 1125, 1305, 1803, 2175, 3005, 3625, 5409, 6525, 9015, 10875, 15025, 17429, 27045, 32625, 45075, 52287, 75125, 87145, 135225, 156861, 225375, 261435, 435725, 676125, 784305, 1307175, 2178625, 3921525, 6535875, 19607625]

約数ペア:

[(1, 19607625), (3, 6535875), (5, 3921525), (9, 2178625), (15, 1307175), (25, 784305), (29, 676125), (45, 435725), (75, 261435), (87, 225375), (125, 156861), (145, 135225), (225, 87145), (261, 75125), (375, 52287), (435, 45075), (601, 32625), (725, 27045), (1125, 17429), (1305, 15025), (1803, 10875), (2175, 9015), (3005, 6525), (3625, 5409)]